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单词 Riemannian geometry
释义 Riemannian geometry
 Geom.
  1. Also called elliptic geometry. the branch of non-Euclidean geometry that replaces the parallel postulate of Euclidean geometry with the postulate that in a plane every pair of distinct lines intersects. Cf. hyperbolic geometry.
  2. the differential geometry of a metric space that generalizes a Euclidean space.
 [1915-20]
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